private static KeyValuePair <Delegate, IntPtr>[] GetReaders(ReaderMethodBuilderContext context)
{
var result = new KeyValuePair <Delegate, IntPtr> [256];
foreach (var type in GroBufHelpers.LeafTypes.Where(type => type != null))
{
result[(int)GroBufTypeCodeMap.GetTypeCode(type)] = GetReader(context, type);
}
result[(int)GroBufTypeCode.DateTimeOld] = result[(int)GroBufTypeCode.DateTimeNew];
return(result);
}
protected override unsafe void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
var typeCode = GroBufTypeCodeMap.GetTypeCode(Type);
context.WriteTypeCode(typeCode);
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObjByRef(); // stack: [&result[index], ref obj]
il.Ldfld(countField); // stack: [&result[index], obj._count]
CountArraySize(elementType, il); // stack: [&result[index], obj size]
il.Dup(); // stack: [&result[index], obj size, obj size]
il.Stloc(size); // size = obj size; stack: [&result[index], obj size]
il.Stind(typeof(int)); // result[index] = size; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
var doneLabel = il.DefineLabel("done");
il.Ldloc(size); // stack: [size]
il.Brfalse(doneLabel); // if(size == 0) goto done; stack: []
il.Ldloc(size);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObjByRef(); // stack: [&result[index], ref obj]
il.Ldfld(arrayField); // stack: [&result[index], obj._array]
context.LoadObjByRef(); // stack: [&result[index], obj._array, ref obj]
il.Ldfld(offsetField); // stack: [&result[index], obj._array, obj._offset]
il.Ldelema(elementType); // stack: [&result[index], &obj._array[obj._offset]]
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
il.Stloc(arr); // arr = &obj._array[obj._offset]; stack: [&result[index]]
il.Ldloc(arr); // stack: [&result[index], arr]
il.Ldloc(size); // stack: [&result[index], arr + obj._offset, size]
il.Cpblk(); // &result[index] = arr
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.MarkLabel(doneLabel);
}
protected override unsafe void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
il.Ldc_I4(4);
context.AssertLength();
var size = il.DeclareLocal(typeof(int));
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Ldfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [&result[index], obj.Count]
CountArraySize(elementType, il); // stack: [&result[index], obj size]
il.Dup(); // stack: [&result[index], obj size, obj size]
il.Stloc(size); // size = obj size; stack: [&result[index], obj size]
il.Stind(typeof(int)); // result[index] = size; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
il.Ldloc(size); // stack: [size]
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(size == 0) goto done; stack: []
il.Ldloc(size);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [&result[index], obj._items]
il.Ldc_I4(0); // stack: [&result[index], obj._items, 0]
il.Ldelema(elementType); // stack: [&result[index], &obj._items[0]]
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
il.Stloc(arr); // arr = &obj._items[0]; stack: [&result[index]]
il.Ldloc(arr); // stack: [&result[index], arr]
il.Ldloc(size); // stack: [&result[index], arr, size]
il.Cpblk(); // &result[index] = arr
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.MarkLabel(doneLabel);
}
protected override void CountSizeNotEmpty(SizeCounterMethodBuilderContext context)
{
var typeCode = GroBufTypeCodeMap.GetTypeCode(Type);
var il = context.Il;
switch (typeCode)
{
case GroBufTypeCode.Int8:
case GroBufTypeCode.UInt8:
case GroBufTypeCode.Boolean:
il.Ldc_I4(2);
break;
case GroBufTypeCode.Int16:
case GroBufTypeCode.UInt16:
il.Ldc_I4(3);
break;
case GroBufTypeCode.Int32:
case GroBufTypeCode.UInt32:
il.Ldc_I4(5);
break;
case GroBufTypeCode.Int64:
case GroBufTypeCode.UInt64:
il.Ldc_I4(9);
break;
case GroBufTypeCode.Single:
il.Ldc_I4(5);
break;
case GroBufTypeCode.Double:
il.Ldc_I4(9);
break;
case GroBufTypeCode.Decimal:
il.Ldc_I4(17);
break;
default:
throw new NotSupportedException("Type '" + Type + "' is not supported");
}
}
private static void MakeShift(Type elementType, GroboIL il)
{
var typeCode = GroBufTypeCodeMap.GetTypeCode(elementType);
switch (typeCode)
{
case GroBufTypeCode.Int8:
case GroBufTypeCode.UInt8:
case GroBufTypeCode.Boolean:
break;
case GroBufTypeCode.Int16:
case GroBufTypeCode.UInt16:
il.Ldc_I4(1);
il.Shl();
break;
case GroBufTypeCode.Int32:
case GroBufTypeCode.UInt32:
il.Ldc_I4(2);
il.Shl();
break;
case GroBufTypeCode.Int64:
case GroBufTypeCode.UInt64:
il.Ldc_I4(3);
il.Shl();
break;
case GroBufTypeCode.Single:
il.Ldc_I4(2);
il.Shl();
break;
case GroBufTypeCode.Double:
il.Ldc_I4(3);
il.Shl();
break;
default:
throw new NotSupportedException("Type '" + elementType + "' is not supported");
}
}
private KeyValuePair <Delegate, IntPtr> BuildPrimitiveValueReader(ModuleBuilder module, GroBufTypeCode typeCode)
{
var method = new DynamicMethod("Read_" + Type.Name + "_from_" + typeCode + "_" + Guid.NewGuid(), typeof(void), new[] { typeof(IntPtr), Type.MakeByRefType() }, module, true);
using (var il = new GroboIL(method))
{
var expectedTypeCode = GroBufTypeCodeMap.GetTypeCode(Type);
il.Ldarg(1); // stack: [ref result]
if (typeCode == GroBufTypeCode.Decimal)
{
if (expectedTypeCode == GroBufTypeCode.Boolean)
{
il.Ldarg(0); // stack: [ref result, &temp, address]
il.Ldind(typeof(long)); // stack: [ref result, &temp, (long)*address]
il.Ldarg(0); // stack: [ref result, &temp + 8, address]
il.Ldc_I4(8); // stack: [ref result, &temp + 8, address, 8]
il.Add(); // stack: [ref result, &temp + 8, address + 8]
il.Ldind(typeof(long)); // stack: [ref result, &temp + 8, (long)*(address + 8)]
il.Or();
il.Ldc_I4(0); // stack: [ref result, value, 0]
il.Conv <long>();
il.Ceq(); // stack: [ref result, value == 0]
il.Ldc_I4(1); // stack: [ref result, value == 0, 1]
il.Xor(); // stack: [ref result, value != 0]
}
else
{
var temp = il.DeclareLocal(typeof(decimal));
il.Ldloca(temp); // stack: [ref result, &temp]
il.Ldarg(0); // stack: [ref result, &temp, address]
il.Ldind(typeof(long)); // stack: [ref result, &temp, (long)*address]
il.Stind(typeof(long)); // *temp = *address;
il.Ldloca(temp); // stack: [ref result, &temp]
il.Ldc_I4(8); // stack: [ref result, &temp, 8]
il.Add(); // stack: [ref result, &temp + 8]
il.Ldarg(0); // stack: [ref result, &temp + 8, address]
il.Ldc_I4(8); // stack: [ref result, &temp + 8, address, 8]
il.Add(); // stack: [ref result, &temp + 8, address + 8]
il.Ldind(typeof(long)); // stack: [ref result, &temp + 8, (long)*(address + 8)]
il.Stind(typeof(long)); // *(temp + 8) = *(address + 8);
il.Ldloc(temp); // stack: [ref result, ref temp]
switch (expectedTypeCode)
{
case GroBufTypeCode.Int8:
il.Call(decimalToInt8Method); // stack: [ref result, (sbyte)temp]
break;
case GroBufTypeCode.UInt8:
il.Call(decimalToUInt8Method); // stack: [ref result, (byte)temp]
break;
case GroBufTypeCode.Int16:
il.Call(decimalToInt16Method); // stack: [ref result, (short)temp]
break;
case GroBufTypeCode.UInt16:
il.Call(decimalToUInt16Method); // stack: [ref result, (ushort)temp]
break;
case GroBufTypeCode.Int32:
il.Call(decimalToInt32Method); // stack: [ref result, (int)temp]
break;
case GroBufTypeCode.UInt32:
il.Call(decimalToUInt32Method); // stack: [ref result, (uint)temp]
break;
case GroBufTypeCode.Int64:
il.Call(decimalToInt64Method); // stack: [ref result, (long)temp]
break;
case GroBufTypeCode.UInt64:
il.Call(decimalToUInt64Method); // stack: [ref result, (ulong)temp]
break;
case GroBufTypeCode.Single:
il.Call(decimalToSingleMethod); // stack: [ref result, (float)temp]
break;
case GroBufTypeCode.Double:
il.Call(decimalToDoubleMethod); // stack: [ref result, (double)temp]
break;
case GroBufTypeCode.Decimal:
break;
default:
throw new NotSupportedException("Type with type code '" + expectedTypeCode + "' is not supported");
}
}
}
else
{
il.Ldarg(0); // stack: [ref result, address]
EmitReadPrimitiveValue(il, Type == typeof(bool) ? GetTypeCodeForBool(typeCode) : typeCode); // stack: [ref result, value]
if (Type == typeof(bool))
{
il.Conv <long>();
il.Ldc_I4(0); // stack: [ref result, value, 0]
il.Conv <long>();
il.Ceq(); // stack: [ref result, value == 0]
il.Ldc_I4(1); // stack: [ref result, value == 0, 1]
il.Xor(); // stack: [ref result, value != 0]
}
else
{
EmitConvertValue(il, typeCode, expectedTypeCode);
}
}
switch (expectedTypeCode)
{
case GroBufTypeCode.Int8:
case GroBufTypeCode.UInt8:
case GroBufTypeCode.Boolean:
il.Stind(typeof(byte)); // result = value
break;
case GroBufTypeCode.Int16:
case GroBufTypeCode.UInt16:
il.Stind(typeof(short)); // result = value
break;
case GroBufTypeCode.Int32:
case GroBufTypeCode.UInt32:
il.Stind(typeof(int)); // result = value
break;
case GroBufTypeCode.Int64:
case GroBufTypeCode.UInt64:
il.Stind(typeof(long)); // result = value
break;
case GroBufTypeCode.Single:
il.Stind(typeof(float)); // result = value
break;
case GroBufTypeCode.Double:
il.Stind(typeof(double)); // result = value
break;
case GroBufTypeCode.Decimal:
il.Stobj(typeof(decimal)); // result = value
break;
default:
throw new NotSupportedException("Type with type code '" + expectedTypeCode + "' is not supported");
}
il.Ret();
}
var @delegate = method.CreateDelegate(typeof(PrimitiveValueReaderDelegate <>).MakeGenericType(Type));
return(new KeyValuePair <Delegate, IntPtr>(@delegate, GroBufHelpers.ExtractDynamicMethodPointer(method)));
}
protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
context.IncreaseIndexBy1();
context.AssertTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
var il = context.Il;
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var count = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(count); // count = array length
context.LoadResultByRef(); // stack: [ref result]
il.Newobj(Type.GetConstructor(Type.EmptyTypes)); // stack: [ref result, new HashSet() = hashSet]
il.Dup(); // stack: [ref result, hashSet, hashSet]
il.Ldloc(count); // stack: [ref result, hashSet, hashSet, count]
var initializeMethod = Type.GetMethod("Initialize", BindingFlags.Instance | BindingFlags.NonPublic);
il.Call(initializeMethod); // hashSet.Initialize(count); stack: [ref result, hashSet] or [ref result, hashSet, actualHashSetSize]
if (initializeMethod.ReturnType != typeof(void))
{
il.Pop(); // stack: [ref result, hashSet]
}
il.Stind(Type); // result = hashSet; stack: []
il.Ldloc(count);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(count == 0) goto allDone; stack: []
var i = il.DeclareLocal(typeof(int));
il.Ldc_I4(0); // stack: [0]
il.Stloc(i); // i = 0; stack: []
var cycleStartLabel = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStartLabel);
context.LoadResult(Type); // stack: [result]
context.GoToCurrentLocation(); // stack: [result, &data[index]]
il.Ldloc(i); // stack: [result, &data[index], i]
MakeShift(elementType, il); // stack: [result, &data[index], i << x]
il.Add(); // stack: [result, current]
il.Ldind(elementType); // stack: [result, *current]
il.Call(Type.GetMethod("Add")); // stack: [result.Add(*current)]
il.Pop(); // stack: []
il.Ldloc(count); // stack: [count]
il.Ldloc(i); // stack: [current, count, i]
il.Ldc_I4(1); // stack: [current, count, i, 1]
il.Add(); // stack: [current, count, i + 1]
il.Dup(); // stack: [current, count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [current, count, i]
il.Bgt(cycleStartLabel, false); // if(count > i) goto cycleStart; stack: [current]
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.MarkLabel(doneLabel); // stack: []
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.LoadObj(); // stack: [obj]
il.Call(Type.GetProperty("Count", BindingFlags.Instance | BindingFlags.Public).GetGetMethod()); // stack: [obj.Count]
CountArraySize(elementType, il); // stack: [obj size]
il.Stloc(size); // size = obj size; stack: []
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(size); // stack: [&result[index], size]
il.Stind(typeof(int)); // result[index] = size; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
il.Ldloc(size);
context.AssertLength();
context.LoadObj(); // stack: [obj]
var slotType = Type.GetNestedType(PlatformHelpers.HashSetSlotTypeName, BindingFlags.NonPublic).MakeGenericType(Type.GetGenericArguments());
var slots = il.DeclareLocal(slotType.MakeArrayType());
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashSetSlotsFieldNames));
il.Stloc(slots);
context.LoadObj(); // stack: [obj]
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashSetCountFieldNames)); // stack: [obj.m_lastIndex]
il.Dup();
var count = context.LocalInt;
il.Stloc(count); // count = obj.m_lastIndex; stack: [count]
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Brfalse(writeDataLengthLabel);
var i = il.DeclareLocal(typeof(int));
il.Ldc_I4(0); // stack: [0]
il.Stloc(i); // i = 0; stack: []
context.GoToCurrentLocation(); // stack: [&result[index]]
var cycleStartLabel = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStartLabel);
il.Ldloc(slots); // stack: [current, slots]
il.Ldloc(i); // stack: [current, slots, i]
il.Ldelema(slotType); // stack: [current, &slots[i]]
il.Dup(); // stack: [current, &slots[i], &slots[i]]
var slot = il.DeclareLocal(slotType.MakeByRefType());
il.Stloc(slot); // slot = &slots[i]; stack: [current, slot]
if (PlatformHelpers.IsDotNet50OrGreater)
{
il.Ldfld(slotType.GetField("Next")); // stack: [current, slot.Next]
il.Ldc_I4(-1); // stack: [current, slot.Next, -1]
}
else
{
il.Ldfld(slotType.GetField("hashCode", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [current, slot.hashCode]
il.Ldc_I4(0); // stack: [current, slot.hashCode, 0]
}
var nextLabel = il.DefineLabel("next");
il.Blt(nextLabel, false); // if(slot.hashCode < 0) goto next; stack: [current]
il.Dup(); // stack: [current, current]
il.Ldloc(slot); // stack: [current, current, slot]
il.Ldfld(slotType.GetField(PlatformHelpers.HashSetSlotValueFieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)); // stack: [current, current, slot.value]
il.Stind(elementType); // *current = slot.value; stack: [current]
LoadItemSize(elementType, il); // stack: [current, item size]
il.Add(); // stack: [current + item size]
il.MarkLabel(nextLabel);
il.Ldloc(count); // stack: [current, count]
il.Ldloc(i); // stack: [current, count, i]
il.Ldc_I4(1); // stack: [current, count, i, 1]
il.Add(); // stack: [current, count, i + 1]
il.Dup(); // stack: [current, count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [current, count, i]
il.Bgt(cycleStartLabel, false); // if(count > i) goto cycleStart; stack: [current]
il.Pop(); // stack: []
il.MarkLabel(writeDataLengthLabel);
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var typeCode = GroBufTypeCodeMap.GetTypeCode(Type);
context.WriteTypeCode(typeCode);
context.GoToCurrentLocation(); // stack: [&result[index]]
var il = context.Il;
switch (typeCode)
{
case GroBufTypeCode.Int8:
case GroBufTypeCode.UInt8:
case GroBufTypeCode.Boolean:
il.Ldc_I4(1);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(byte)); // result[index] = obj
context.IncreaseIndexBy1(); // index = index + 1
break;
case GroBufTypeCode.Int16:
case GroBufTypeCode.UInt16:
il.Ldc_I4(2);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(short)); // result[index] = obj
context.IncreaseIndexBy2(); // index = index + 2
break;
case GroBufTypeCode.Int32:
case GroBufTypeCode.UInt32:
il.Ldc_I4(4);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(int)); // result[index] = obj
context.IncreaseIndexBy4(); // index = index + 4
break;
case GroBufTypeCode.Int64:
case GroBufTypeCode.UInt64:
il.Ldc_I4(8);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(long)); // result[index] = obj
context.IncreaseIndexBy8(); // index = index + 8
break;
case GroBufTypeCode.Single:
il.Ldc_I4(4);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(float)); // result[index] = obj
context.IncreaseIndexBy4(); // index = index + 4
break;
case GroBufTypeCode.Double:
il.Ldc_I4(8);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(double)); // result[index] = obj
context.IncreaseIndexBy8(); // index = index + 8
break;
case GroBufTypeCode.Decimal:
il.Ldc_I4(16);
context.AssertLength();
context.LoadObjByRef(); // stack: [&result[index], &obj]
il.Ldind(typeof(long)); // stack: [&result[index], (int64)*obj]
il.Stind(typeof(long)); // result[index] = (int64)*obj
context.IncreaseIndexBy8(); // index = index + 8
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObjByRef(); // stack: [&result[index], &obj]
il.Ldc_I4(8); // stack: [&result[index], &obj, 8]
il.Add(); // stack: [&result[index], &obj + 8]
il.Ldind(typeof(long)); // stack: [&result[index], *(&obj+8)]
il.Stind(typeof(long)); // result[index] = (int64)*(obj + 8)
context.IncreaseIndexBy8(); // index = index + 8
break;
default:
throw new NotSupportedException();
}
}
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context)
{
context.IncreaseIndexBy1();
context.AssertTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
var il = context.Il;
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var length = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(length); // length = array length
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var createArrayLabel = il.DefineLabel("createArray");
context.LoadResult(Type); // stack: [result]
il.Brfalse(createArrayLabel); // if(result == null) goto createArray; stack: []
context.LoadResult(Type); // stack: [result]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [result._items]
il.Ldlen(); // stack: [result._items.Length]
il.Ldloc(length); // stack: [result.Length, length]
var arrayCreatedLabel = il.DefineLabel("arrayCreated");
il.Bge(arrayCreatedLabel, false); // if(result.Length >= length) goto arrayCreated;
context.LoadResult(Type); // stack: [result]
il.Ldflda(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [ref result._items]
il.Ldloc(length); // stack: [ref result, length]
il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, length)
il.Br(arrayCreatedLabel); // goto arrayCreated
il.MarkLabel(createArrayLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newobj(Type.GetConstructor(new[] { typeof(int) })); // stack: [ref result, new List(length)]
il.Stind(Type); // result = new List(length); stack: []
il.MarkLabel(arrayCreatedLabel);
}
else
{
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newobj(Type.GetConstructor(new[] { typeof(int) })); // stack: [ref result, new List(length)]
il.Stind(Type); // result = new List(length); stack: []
}
il.Ldloc(length);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: []
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
context.LoadResult(Type); // stack: [result]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [result._items]
il.Ldc_I4(0); // stack: [result._items, 0]
il.Ldelema(elementType); // stack: [&result._items[0]]
il.Stloc(arr); // arr = &result._items[0]; stack: []
il.Ldloc(arr); // stack: [arr]
context.GoToCurrentLocation(); // stack: [arr, &data[index]]
il.Ldloc(length); // stack: [arr, &data[index], length]
CountArraySize(elementType, il); // stack: [arr, &data[index], size]
il.Cpblk(); // arr = &data[index]
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
context.LoadResult(Type); // stack: [result]
il.Ldfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [result.Count]
il.Ldloc(length); // stack: [result.Count, length]
il.Bge(doneLabel, false); // if(result.Count >= length) goto done; stack: []
}
context.LoadResult(Type); // stack: [result]
il.Ldloc(length); // stack: [result.Count, length]
il.Stfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // result._size = length; stack: []
il.MarkLabel(doneLabel); // stack: []
}
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context)
{
var il = context.Il;
il.Ldloc(context.TypeCode); // stack: [type code]
il.Ldc_I4((int)GroBufTypeCodeMap.GetTypeCode(Type)); // stack: [type code, GroBufTypeCode(Type)]
var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement");
il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode(Type)) goto tryReadArrayElement; stack: []
context.IncreaseIndexBy1();
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var length = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(length); // length = array length
var array = il.DeclareLocal(elementType.MakeArrayType());
context.LoadResultByRef(); // stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldc_I4(0); // stack: [ref result, ref result, 0]
il.Stfld(offsetField); // result._offset = 0; stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldloc(length); // stack: [ref result, ref result, length]
il.Stfld(countField); // result._count = length; stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newarr(elementType); // stack: [ref result, new type[length]]
il.Dup();
il.Stloc(array); // array = new type[length]; stack: [ref result]
il.Stfld(arrayField); // result._array = array; stack: []
il.Ldloc(length);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: []
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
il.Ldloc(array); // stack: [array]
il.Ldc_I4(0); // stack: [array, 0]
il.Ldelema(elementType); // stack: [&array[0]]
il.Stloc(arr); // arr = &array[0]; stack: []
il.Ldloc(arr); // stack: [arr]
context.GoToCurrentLocation(); // stack: [arr, &data[index]]
il.Ldloc(length); // stack: [arr, &data[index], length]
CountArraySize(elementType, il); // stack: [arr, &data[index], size]
il.Cpblk(); // arr = &data[index]
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.Br(doneLabel);
il.MarkLabel(tryReadArrayElementLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldc_I4(0); // stack: [ref result, ref result, 0]
il.Stfld(offsetField); // result._offset = 0; stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldc_I4(1); // stack: [ref result, ref result, 1]
il.Stfld(countField); // result._count = 1; stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Newarr(elementType); // stack: [ref result, new type[1]]
il.Dup();
il.Stloc(array); // array = new type[1]; stack: [ref result]
il.Stfld(arrayField); // result._array = array; stack: []
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
il.Ldloc(array); // stack: [pinnedData, ref index, array]
il.Ldc_I4(0); // stack: [pinnedData, ref index, array, 0]
il.Ldelema(elementType); // stack: [pinnedData, ref index, ref array[0]]
context.LoadContext(); // stack: [pinnedData, ref index, ref array[0], context]
context.CallReader(elementType); // reader(pinnedData, ref index, ref array[0], context); stack: []
il.MarkLabel(doneLabel); // stack: []
}
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context)
{
var il = context.Il;
il.Ldloc(context.TypeCode); // stack: [type code]
il.Ldc_I4((int)GroBufTypeCodeMap.GetTypeCode(Type)); // stack: [type code, GroBufTypeCode(Type)]
var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement");
il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode(Type)) goto tryReadArrayElement; stack: []
context.IncreaseIndexBy1();
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var length = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(length); // length = array length
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var createArrayLabel = il.DefineLabel("createArray");
context.LoadResult(Type); // stack: [result]
il.Brfalse(createArrayLabel); // if(result == null) goto createArray;
context.LoadResult(Type); // stack: [result]
il.Ldlen(); // stack: [result.Length]
il.Ldloc(length); // stack: [result.Length, length]
var arrayCreatedLabel = il.DefineLabel("arrayCreated");
il.Bge(arrayCreatedLabel, false); // if(result.Length >= length) goto arrayCreated;
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, length)
il.Br(arrayCreatedLabel); // goto arrayCreated
il.MarkLabel(createArrayLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newarr(elementType); // stack: [ref result, new type[length]]
il.Stind(Type); // result = new type[length]; stack: []
il.MarkLabel(arrayCreatedLabel);
}
else
{
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newarr(elementType); // stack: [ref result, new type[length]]
il.Stind(Type); // result = new type[length]; stack: []
}
il.Ldloc(length);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: []
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
context.LoadResult(Type); // stack: [result]
il.Ldc_I4(0); // stack: [result, 0]
il.Ldelema(elementType); // stack: [&result[0]]
il.Stloc(arr); // arr = &result[0]; stack: []
il.Ldloc(arr); // stack: [arr]
context.GoToCurrentLocation(); // stack: [arr, &data[index]]
il.Ldloc(length); // stack: [arr, &data[index], length]
CountArraySize(elementType, il); // stack: [arr, &data[index], size]
il.Cpblk(); // arr = &data[index]
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.Br(doneLabel);
il.MarkLabel(tryReadArrayElementLabel);
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var createArrayLabel = il.DefineLabel("createArray");
context.LoadResult(Type); // stack: [result]
il.Brfalse(createArrayLabel); // if(result == null) goto createArray;
context.LoadResult(Type); // stack: [result]
il.Ldlen(); // stack: [result.Length]
il.Ldc_I4(1); // stack: [result.Length, 1]
var arrayCreatedLabel = il.DefineLabel("arrayCreated");
il.Bge(arrayCreatedLabel, false); // if(result.Length >= 1) goto arrayCreated;
context.LoadResultByRef(); // stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, 1)
il.Br(arrayCreatedLabel); // goto arrayCreated
il.MarkLabel(createArrayLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Newarr(elementType); // stack: [ref result, new type[1]]
il.Stind(Type); // result = new type[1]; stack: []
il.MarkLabel(arrayCreatedLabel);
}
else
{
context.LoadResultByRef(); // stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Newarr(elementType); // stack: [ref result, new type[1]]
il.Stind(Type); // result = new type[1]; stack: []
}
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
context.LoadResult(Type); // stack: [pinnedData, ref index, result]
il.Ldc_I4(0); // stack: [pinnedData, ref index, result, 0]
il.Ldelema(elementType); // stack: [pinnedData, ref index, ref result[0]]
context.LoadContext(); // stack: [pinnedData, ref index, ref result[0], context]
context.CallReader(elementType); // reader(pinnedData, ref index, ref result[0], context); stack: []
il.MarkLabel(doneLabel); // stack: []
}
